8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 1, 2007

INTERNATIONAL RECTIFIER CORPORATION(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)	1-7935 (Commission File Number)	95-1528961 (I.R.S. Employer Identification No.)
233 Kansas Street El Segundo, California (Address of principal executive offices)		90245 (Zip Code)

(310) 726-8000
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01.                                          Regulation FD Disclosure

                International Rectifier Corporation (the “Company”) previously reported that it and certain of its affiliates entered into agreements for the sale of the Company’s Power Control Systems (“PCS”) business to Vishay Intertechnology, Inc., a Delaware corporation (“Vishay”). 

                On April 2, 2007, the Company issued a press release announcing the completion of such sale.

                A copy of the press release issued by the Company is attached hereto as Exhibit 99.1 incorporated herein by reference.

Item 9.01.Financial Statements and Exhibits.

Exhibit Number	Document Description
99.1	Press release dated April 2, 2007 issued by International Rectifier Corporation

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	INTERNATIONAL RECTIFIER CORPORATION
Date: April 2, 2007	By	/s/ Donald R. Dancer
		Donald R. Dancer, Secretary and General Counsel

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EXHIBIT INDEX

Exhibit Number	Document Description
99.1	Press release dated April 2, 2007 issued by International Rectifier Corporation

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EX-99.1

Exhibit 99.1

International Rectifier Completes Sale of Power Control Systems Business to Vishay

EL SEGUNDO, California April 2, 2007 — International Rectifier Corporation (IR) (NYSE: IRF) announced today that on April 1, 2007 the company completed the previously announced sale of its Power Control Systems (PCS) business to Vishay Intertechnology, Inc. for approximately $290 million in cash.

 The PCS business consists of the company’s Non-Aligned Product and Commodity Product segments.  Product lines included in the divestiture are certain discrete planar MOSFETs, discrete diodes and rectifiers, discrete thyristors, multi-chip modules not including integrated circuits and certain other specified products.

About International Rectifier

International Rectifier (NYSE:IRF) is a world leader in power management technology. IR’s analog, digital, and mixed signal ICs, and other advanced power management products, enable high performance computing and save energy in a wide variety of business and consumer applications.  Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft, and defense systems rely on IR’s power management solutions to power their next generation products. For more information, go to www.irf.com.

Company contact: Portia Switzer, 310.726.8254.